PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters

Nguyen Gia Minh Thao, Mai Tuan Dat, Tran Cong Binh, Nguyen Huu Phuc

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)

Abstract

This paper presents a novel PID-Fuzzy logic hybrid controller to improve the dynamic response of the output active power and reactive power of a grid connected PV inverter. The combination of PID and flexible fuzzy logic controller makes the control of nonlinear objects, such as the electricity grid, more feasible. The proposed integrated PID- Fuzzy logic controller module automatically varies the coefficients Kp, Ki, Kd whenever there are any changes of the desired power and load. The comparison of simulation results, obtained separately from a PID-controller and a PID-Fuzzy controller embedded in a PV inverter, shows the advantages of the proposed algorithm in terms of time response, overshooting and stability error. It also shows that the proposed controller maintains its response better than the PID controller in many aspects, regardless of changes of grid parameters during operation.

Original languageEnglish
Title of host publication2010 International Forum on Strategic Technology, IFOST 2010
Pages140-144
Number of pages5
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event2010 International Forum on Strategic Technology, IFOST 2010 - Ulsan, Korea, Republic of
Duration: 2010 Oct 132010 Oct 15

Other

Other2010 International Forum on Strategic Technology, IFOST 2010
CountryKorea, Republic of
CityUlsan
Period10/10/1310/10/15

Fingerprint

Controller
Fuzzy logic
Grid
Coefficients
Dynamic response
Overshooting
Module
Response time
Electricity
Simulation
Integrated

Keywords

  • Green power
  • Grid- connected
  • PID controller
  • PID-fuzzy controller
  • Solar energy

ASJC Scopus subject areas

  • Decision Sciences (miscellaneous)

Cite this

Thao, N. G. M., Dat, M. T., Binh, T. C., & Phuc, N. H. (2010). PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters. In 2010 International Forum on Strategic Technology, IFOST 2010 (pp. 140-144). [5668024] https://doi.org/10.1109/IFOST.2010.5668024

PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters. / Thao, Nguyen Gia Minh; Dat, Mai Tuan; Binh, Tran Cong; Phuc, Nguyen Huu.

2010 International Forum on Strategic Technology, IFOST 2010. 2010. p. 140-144 5668024.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thao, NGM, Dat, MT, Binh, TC & Phuc, NH 2010, PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters. in 2010 International Forum on Strategic Technology, IFOST 2010., 5668024, pp. 140-144, 2010 International Forum on Strategic Technology, IFOST 2010, Ulsan, Korea, Republic of, 10/10/13. https://doi.org/10.1109/IFOST.2010.5668024
Thao NGM, Dat MT, Binh TC, Phuc NH. PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters. In 2010 International Forum on Strategic Technology, IFOST 2010. 2010. p. 140-144. 5668024 https://doi.org/10.1109/IFOST.2010.5668024
Thao, Nguyen Gia Minh ; Dat, Mai Tuan ; Binh, Tran Cong ; Phuc, Nguyen Huu. / PID-fuzzy logic hybrid controller for grid-connected photovoltaic inverters. 2010 International Forum on Strategic Technology, IFOST 2010. 2010. pp. 140-144
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